MC68HC908MR8CP Freescale Semiconductor, MC68HC908MR8CP Datasheet - Page 23

• Manufacturer Part Number: MC68HC908MR8CP
• Description: IC MCU 8K FLASH 8MHZ PWM 28-DIP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908MR8CP

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 12
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

MC68HC908MR8 — Rev 4.1
Freescale Semiconductor
9-23
9-24
9-25
9-26
9-27
9-28
9-29
9-30
9-31
9-32
9-33
9-34
9-35
9-36
9-37
9-38
9-39
9-40
9-41
9-42
9-43
9-44
10-1
10-2
10-3
10-4
10-5
10-6
11-1
11-2
11-3
11-4
11-5
11-6
PWM Disabling Decode Scheme . . . . . . . . . . . . . . . . . . . .164
PWM Disabling in Automatic Mode . . . . . . . . . . . . . . . . . . 166
PWM Disabling in Manual Mode (Example 1) . . . . . . . . . . 167
PWM Disabling in Manual Mode (Example 2) . . . . . . . . . . 167
PWM Software Disable . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
PWMEN and PWM Pins. . . . . . . . . . . . . . . . . . . . . . . . . . .169
PWM Counter Register High (PCNTH) . . . . . . . . . . . . . . . 172
PWM Counter Register Low (PCNTH) . . . . . . . . . . . . . . . . 172
PWM Counter Modulo Register High (PDMODH) . . . . . . . 173
PWM Counter Modulo Register Low (PDMODL) . . . . . . . . 173
PWMx Value Registers High (PVALxH) . . . . . . . . . . . . . . . 174
PWMx Value Registers Low (PVALxL) . . . . . . . . . . . . . . . 174
PWM Control Register 1 (PCTL1) . . . . . . . . . . . . . . . . . . . 175
PWM Control Register 2 (PCTL2) . . . . . . . . . . . . . . . . . . . 177
Dead-Time Write-Once Register (DEADTM) . . . . . . . . . . . 179
PWM Disable Mapping Write-Once Register (DISMAP) . . 179
Fault Control Register (FCR) . . . . . . . . . . . . . . . . . . . . . . .180
Fault Status Register (FSR) . . . . . . . . . . . . . . . . . . . . . . . . 181
Fault Acknowledge Register (FTACK) . . . . . . . . . . . . . . . . 182
PWM Output Control Register (PWMOUT) . . . . . . . . . . . . 184
PWM Clock Cycle and PWM Cycle Definitions . . . . . . . . . 186
PWM Load Cycle/Frequency Definition . . . . . . . . . . . . . . . 186
Monitor Mode Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Monitor Data Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Sample Monitor Waveforms . . . . . . . . . . . . . . . . . . . . . . . . 191
Read Transaction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Break Transaction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Monitor Mode Entry Timing . . . . . . . . . . . . . . . . . . . . . . . . 196
TIMA Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
TIMA I/O Register Summary . . . . . . . . . . . . . . . . . . . . . . .201
PWM Period and Pulse Width . . . . . . . . . . . . . . . . . . . . . . 208
TIMA Status and Control Register (TASC). . . . . . . . . . . . . 214
TIMA Counter Registers (TACNTH and TACNTL). . . . . . . 216
TIMA Counter Modulo Registers (TMODH and TMODL). . 217
List of Figures
Technical Data
List of Figures
23